Rapid isotopic exchange in nanoparticles.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 30613775.
- Also identified by DOI 10.1126/sciadv.aau7555 and PMC identifier 6314871.
- Licence recorded as CC BY-NC.
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Abstract
Rapid solution-state exchange dynamics in nanoscale pieces of matter is revealed, taking isotopically pure atomically precise clusters as examples. As two isotopically pure silver clusters made of <sup>107</sup>Ag and <sup>109</sup>Ag are mixed, an isotopically mixed cluster of the same entity results, similar to the formation of HDO, from H<sub>2</sub>O and D<sub>2</sub>O. This spontaneous process is driven by the entropy of mixing and involves events at multiple time scales.